Hi Angus,
I've activated detailed FTP logging, but found no significant difference in the logs.
The first operations execute without any problems (change directory) - the first operation which fails on FB6 is "List directory".
See the FTP log below.
Regards,
Andre
FTP Log:
------------
FB5:
----
Connection to host : ftp2.someftp.de
19.05.2008 09:29:42 : USER fxx
19.05.2008 09:29:42 : pass xxx
19.05.2008 09:29:43 : FEAT
19.05.2008 09:29:43 : TYPE I
19.05.2008 09:29:43 : SYST
19.05.2008 09:29:43 : CWD qrail
Changed directory to qrail
19.05.2008 09:29:43 : MKD Product
Directory already exists
19.05.2008 09:29:43 : CWD Product
Changed directory to Product
Setting items...
Found 0 Items
19.05.2008 09:29:43 : TYPE A
19.05.2008 09:29:43 : PORT 172,16,2,38,208,164
19.05.2008 09:29:43 : NLST *.*
19.05.2008 09:29:43 : TYPE I
Listed current directory
Total upload size will be 35 MB
Uploading File : d:\currentbuild\Build562_0\Bin\..\Install\ConfigurationEnglish\ReleaseEnglish\Build562_0.zip to : Build562_0.zip
19.05.2008 09:29:43 : PORT 172,16,2,38,208,165
19.05.2008 09:29:43 : STOR Build562_0.zip
File Uploaded : 35 MB
FB6:
----
Connection to host : ftp2.someftp.de
19.05.2008 09:31:01 : USER fxx
19.05.2008 09:31:01 : pass xxx
19.05.2008 09:31:01 : FEAT
19.05.2008 09:31:01 : TYPE I
19.05.2008 09:31:01 : SYST
19.05.2008 09:31:01 : CWD qrail
Changed directory to qrail
19.05.2008 09:31:01 : MKD Product
Directory already exists
19.05.2008 09:31:01 : CWD Product
Changed directory to Product
Setting items...
Found 0 Items
19.05.2008 09:31:01 : TYPE A
19.05.2008 09:31:01 : PORT 172,16,2,38,208,169
19.05.2008 09:31:01 : NLST *.*
19.05.2008 09:31:22 : TYPE I
List directory failed.
Can't open data connection.